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United States Patent 2129065

Inventors:
Loop, Joseph N.
Publication Date:
09/06/1938
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Assignee:
Loop, Joseph N.
Primary Class:
400/124.100
Other Classes:
400/124.270
International Classes:
B41J2/24; B41J11/14; H04L21/00; B41J2/235; B41J11/02